any quality or characteristic that gains a person a favorable reception or acceptance or admission | a distinguishing quality; a feature that can be used to identify something |
a document issued by a country to a citizen allowing that person to travel abroad and re-enter the home country | any measurable property of a device measured under closely specified conditions |
any authorization to pass or go somewhere | a prominent attribute or aspect of something |
| the integer part (positive or negative) of the representation of a logarithm; in the expression log 643 = 2.808 the characteristic is 2 |